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340596

Potassium indigotetrasulfonate

Dye content 85 %

Synonym(s):

5,5′,7,7′-Indigotetrasulfonic acid tetrapotassium salt

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About This Item

Empirical Formula (Hill Notation):
C16H6K4N2O14S4
CAS Number:
67627-19-4
Molecular Weight:
734.88
NACRES:
NA.47
PubChem Substance ID:
24860832
UNSPSC Code:
12171500
MDL number:
MFCD00059886
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assay

>95.6% (HPLC)

form

solid

composition

Dye content, 85%

solubility

water: 0.1%

λmax

591 nm

εmax

18,400 at 254 nm in water at 0.01 g/L, 29,300 at 316 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[K+].[K+].[K+].[K+].[O-]S(=O)(=O)c1cc2C(=O)C(\Nc2c(c1)S([O-])(=O)=O)=C3/Nc4c(cc(cc4S([O-])(=O)=O)S([O-])(=O)=O)C3=O

InChI

1S/C16H10N2O14S4.4K/c19-15-7-1-5(33(21,22)23)3-9(35(27,28)29)11(7)17-13(15)14-16(20)8-2-6(34(24,25)26)4-10(12(8)18-14)36(30,31)32;;;;/h1-4,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)(H,30,31,32);;;;/q;4*+1/p-4/b14-13+;;;;

InChI key

SWRJFVUVNXWCRX-XURWPRCOSA-J

Storage Class

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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